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Finding the Fourth Proportional to 71,089.98, 106,595.28 and 44,738.25

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Solution

The fourth proportional to 71,089.98, 106,595.28 and 44,738.25 is: 67,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,089.98 : 106,595.28 = 44,738.25 : x
  2. Step 2: Convert to fraction form
    71,089.98/106,595.28 = 44,738.25/x
  3. Step 3: Cross multiply
    71,089.98x = 106,595.28 × 44,738.25
  4. Step 4: Simplify right side
    71,089.98x = 4,768,886,285.46
  5. Step 5: Solve for x
    x = 4,768,886,285.46/71,089.98
  6. Step 6: Final answer
    x = 67,082.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.